DPPM20D47K-F

Operating Temperature:	-40°C ~ 105°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching; High Pulse, DV/DT; Snubber
Lead Spacing:	1.043" (26.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.807" (20.50mm)
Size / Dimension:	1.220" L x 0.394" W (31.00mm x 10.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	DPPM
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	2000V (2kV)
Voltage Rating - AC:	500V
Tolerance:	±10%
Capacitance:	4700pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

Film capacitors are electronic components used to store electric energy in electrostatic form. They are also called capacitors of plastic films. These capacitors are made of thin film of flexible plastic over a metal or ceramic core. Film capacitors are widely used in different applications. This article will focus on the DPPM20D47K-F application field and working principle.

Application Field

DPPM20D47K-F is a popular film capacitor that can be used in many fields. It is suitable for automotive, instrumentation, avionics and audio applications. Its characteristics of high voltage, high temperature, and low impedance are ideal for these applications.In automotive applications, this capacitor is used in energy storage, current decoupling and signal filtering. It is perfect for on-board charging circuits and charging/discharging applications. It is used in instrumentation and avionics to reduce current ripple and filter harsh voltage signals. When used in audio applications, it minimizes signal noise in amplifiers and reduces distortion in circuits.

Working Principle

The DPPM20D47K-F capacitor functions on the principle of electrostatic storage. It consists of two layers of insulating material (the dielectric) in between two electrodes. In operation, voltage applied across the two electrodes creates an electric field in the dielectric material, which creates a charge storage element.The voltage applied across the electrodes also determines the amount of electrostatic storage. As the voltage applied increases, the amount of charge stored also increases. This is known as the capacitance of the capacitor. Increasing the area covered with dielectric material also increases the capacitance.The DPPM20D47K-F capacitor is a robust capacitor type that can withstand high temperatures and offers low impedance. This makes it an ideal choice for high-temperature and harsh environmental applications.

Conclusion

The DPPM20D47K-F film capacitor is a versatile and reliable electronic device. It can be used in various automotive, instrumentation, avionics and audio applications. Its high temperature and low impedance properties make it suitable for high-temperature and harsh environmental applications. Finally, the capacitor functions on the principle of electrostatic storage and its capacitance is determined by the voltage applied across its two electrodes.

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